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Broke my Nine friday night

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Old Sep 20, 2009 | 07:19 PM
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Default Broke my Nine friday night

Went out to RSD on friday night And on my fourth pass Right off the line the shacking like crazy and not moving well i pulled both axle's and the 3rd member to see what broke today and found this, bent the splines on both axles and ripped all the splines on the spool LOL I guess The 31 spline axles and spool didnt like the good track prep and 7000rpm dump with my new 4.56 gears lol parts are getting order tonight
Attached Thumbnails Broke my Nine friday night-photo144.jpg   Broke my Nine friday night-photo143.jpg  
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Old Sep 20, 2009 | 11:05 PM
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I thought those were 33 spline axles?OH well!!!! I would definitly get bigger axles and a steel spool.Its gonna come together for you Rob,Its more of the weight issue thats hard on the parts.Ring and Pinnion look OK? You forgot to post your new numbers before it broke. Im glad you made it home OK
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Old Sep 20, 2009 | 11:11 PM
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Originally Posted by NHRAFORMULA00
I thought those were 33 spline axles?OH well!!!! I would definitly get bigger axles and a steel spool.Its gonna come together for you Rob,Its more of the weight issue thats hard on the parts.Ring and Pinnion look OK? You forgot to post your new numbers before it broke. Im glad you made it home OK
Thanx elmer. we made it home just fine Ring and pin are spot on okay i have it all apart going to order the parts and get it going soon i really want the 10.xx so yea. plus today the car lost alot of weight lol parking brake cables and all parking brake parts all heat shields and so on.
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Old Sep 21, 2009 | 01:50 AM
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yea but they didnt break which is what they are supposed todo stay together...there a guy with a lt1 car that did the same thing to 33's in his 9 inch...wheel hop can do that easy...
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Old Sep 21, 2009 | 10:38 AM
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Originally Posted by daniel6718
yea but they didnt break which is what they are supposed todo stay together...there a guy with a lt1 car that did the same thing to 33's in his 9 inch...wheel hop can do that easy...
No wheel hop just dead hook at 7k lol i need some tire spin
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Old Sep 21, 2009 | 03:17 PM
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Ouch.....
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Old Sep 21, 2009 | 03:53 PM
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31 splines are supposed to be able to handle 400 ft lbs coming out of 1st gear on an m6. What tire/gear you running.
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Old Sep 21, 2009 | 04:00 PM
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Originally Posted by tee-boy
31 splines are supposed to be able to handle 400 ft lbs coming out of 1st gear on an m6. What tire/gear you running.
Alot of this has to do more with actually moving the weight of the car and hitting the rear at 7000rpm clutch dump. That 400ft lbs may be rated on a 2500lb. car not a 3200lb. car
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Old Sep 21, 2009 | 04:24 PM
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yeah spot on The car with me in it is 3475 and no dumping here just a fast slip. pulling more weight out of the car looking to see if it will help. This was on a 28x10.5x15 with a 4.56 gear
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Old Sep 21, 2009 | 06:12 PM
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You had better got 35 splines this time!!
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Old Sep 21, 2009 | 06:20 PM
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If running a spool I would just go 40 spline and be done with it..

I'd hang those axles on the wall.
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Old Sep 21, 2009 | 06:23 PM
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that sucks, I did somthing simaler to my 35spines when I 1st got my s60, car had 330whp strange coverd it
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Old Sep 21, 2009 | 06:32 PM
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Originally Posted by studderin
that sucks, I did somthing simaler to my 35spines when I 1st got my s60, car had 330whp strange coverd it
Yea i am pissed but oh well and yes i picked up 35 spline setup lol have it at the shop thursday and rolling friday night.

Studderin did you take your rear apart yet ????
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Old Sep 21, 2009 | 06:47 PM
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Originally Posted by 98blueSScamaro
yeah spot on The car with me in it is 3475 and no dumping here just a fast slip. pulling more weight out of the car looking to see if it will help. This was on a 28x10.5x15 with a 4.56 gear
the 4.56 has a little something to do with it too.
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Old Sep 21, 2009 | 06:50 PM
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Originally Posted by tee-boy
31 splines are supposed to be able to handle 400 ft lbs coming out of 1st gear on an m6. What tire/gear you running.
I run 31 splines with a steel spool and brown bag special gears. Leaving at around 5500-6000 clutch dumps with a 3500lb car. That's on 28x10.50 slicks. Been as low as a 1.500 sixty foot. Axles are still holding up, moser's btw.
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Old Sep 21, 2009 | 06:55 PM
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at least you have something to work with instead of this stock crap i keep peicing together.lol
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Old Sep 21, 2009 | 11:07 PM
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Originally Posted by gold98Z28
at least you have something to work with instead of this stock crap i keep peicing together.lol
LOL what are you doing time for a rear for sure haha no matter what you do you always break something.
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Old Sep 22, 2009 | 12:43 AM
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ive broke two posi's including a pro series unit, both stock axles a year or so apart and now on my second mini spool. lol but i get parts cheap to free so i keep putting it back together.lol
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Old Sep 22, 2009 | 01:06 AM
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well hell i have 4.56 31 splines and a true track in a 9 inch, i probly will lauch at 5000 rpm or so and break stuff, o well those axle are keepers
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Old Sep 22, 2009 | 05:07 AM
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I shattered a 31 spline moser back when my car was SI... they just dont like getting hit with a 6000+ clutch dump and dead hooking.
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